Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Archives of Biology and Technology |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500003 |
Resumo: | The basidiomycete fungi Lentinus crinitus and Psilocybe castanella are being evaluated in a bioremediation process of soils contaminated with organochlorine industrial residues in the Baixada Santista, São Paulo. The aim of the present study was to determine the influence of pH on the fungal growth, in vitro decolorization of anthraquinonic dye Remazol Brilliant Blue R (RBBR) and laccase activity. The pH of the culture medium influenced the growth of L. crinitus and P. castanella, which presented less growth at pH 5.9 and pH 2.7, respectively. The fungi were able to modify the pH of the culture medium, adjusting it to the optimum pH for growth which was close to 4.5. Decolorization of the RBBR was maximal at a pH of 2.5 to 3.5. Higher laccase activity was observed at pH 3.5 and pH 4.5 for L. crinitus and P. castanella, respectively. pH was found to be an important parameter for both the growth of these fungi and the enzymatic system involved in RBBR decolorization. |
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Brazilian Archives of Biology and Technology |
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Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetesWhite rot fungiRBBRlaccaseperoxidasesThe basidiomycete fungi Lentinus crinitus and Psilocybe castanella are being evaluated in a bioremediation process of soils contaminated with organochlorine industrial residues in the Baixada Santista, São Paulo. The aim of the present study was to determine the influence of pH on the fungal growth, in vitro decolorization of anthraquinonic dye Remazol Brilliant Blue R (RBBR) and laccase activity. The pH of the culture medium influenced the growth of L. crinitus and P. castanella, which presented less growth at pH 5.9 and pH 2.7, respectively. The fungi were able to modify the pH of the culture medium, adjusting it to the optimum pH for growth which was close to 4.5. Decolorization of the RBBR was maximal at a pH of 2.5 to 3.5. Higher laccase activity was observed at pH 3.5 and pH 4.5 for L. crinitus and P. castanella, respectively. pH was found to be an important parameter for both the growth of these fungi and the enzymatic system involved in RBBR decolorization.Instituto de Tecnologia do Paraná - Tecpar2009-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500003Brazilian Archives of Biology and Technology v.52 n.5 2009reponame:Brazilian Archives of Biology and Technologyinstname:Instituto de Tecnologia do Paraná (Tecpar)instacron:TECPAR10.1590/S1516-89132009000500003info:eu-repo/semantics/openAccessMoreira Neto,Sérgio LuizMatheus,Dácio RobertoMachado,Kátia Maria Gomeseng2010-01-12T00:00:00Zoai:scielo:S1516-89132009000500003Revistahttps://www.scielo.br/j/babt/https://old.scielo.br/oai/scielo-oai.phpbabt@tecpar.br||babt@tecpar.br1678-43241516-8913opendoar:2010-01-12T00:00Brazilian Archives of Biology and Technology - Instituto de Tecnologia do Paraná (Tecpar)false |
dc.title.none.fl_str_mv |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
title |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
spellingShingle |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes Moreira Neto,Sérgio Luiz White rot fungi RBBR laccase peroxidases |
title_short |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
title_full |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
title_fullStr |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
title_full_unstemmed |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
title_sort |
Influence of pH on the growth, laccase activity and RBBR decolorization by tropical basidiomycetes |
author |
Moreira Neto,Sérgio Luiz |
author_facet |
Moreira Neto,Sérgio Luiz Matheus,Dácio Roberto Machado,Kátia Maria Gomes |
author_role |
author |
author2 |
Matheus,Dácio Roberto Machado,Kátia Maria Gomes |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Moreira Neto,Sérgio Luiz Matheus,Dácio Roberto Machado,Kátia Maria Gomes |
dc.subject.por.fl_str_mv |
White rot fungi RBBR laccase peroxidases |
topic |
White rot fungi RBBR laccase peroxidases |
description |
The basidiomycete fungi Lentinus crinitus and Psilocybe castanella are being evaluated in a bioremediation process of soils contaminated with organochlorine industrial residues in the Baixada Santista, São Paulo. The aim of the present study was to determine the influence of pH on the fungal growth, in vitro decolorization of anthraquinonic dye Remazol Brilliant Blue R (RBBR) and laccase activity. The pH of the culture medium influenced the growth of L. crinitus and P. castanella, which presented less growth at pH 5.9 and pH 2.7, respectively. The fungi were able to modify the pH of the culture medium, adjusting it to the optimum pH for growth which was close to 4.5. Decolorization of the RBBR was maximal at a pH of 2.5 to 3.5. Higher laccase activity was observed at pH 3.5 and pH 4.5 for L. crinitus and P. castanella, respectively. pH was found to be an important parameter for both the growth of these fungi and the enzymatic system involved in RBBR decolorization. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-10-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500003 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500003 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1516-89132009000500003 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Instituto de Tecnologia do Paraná - Tecpar |
publisher.none.fl_str_mv |
Instituto de Tecnologia do Paraná - Tecpar |
dc.source.none.fl_str_mv |
Brazilian Archives of Biology and Technology v.52 n.5 2009 reponame:Brazilian Archives of Biology and Technology instname:Instituto de Tecnologia do Paraná (Tecpar) instacron:TECPAR |
instname_str |
Instituto de Tecnologia do Paraná (Tecpar) |
instacron_str |
TECPAR |
institution |
TECPAR |
reponame_str |
Brazilian Archives of Biology and Technology |
collection |
Brazilian Archives of Biology and Technology |
repository.name.fl_str_mv |
Brazilian Archives of Biology and Technology - Instituto de Tecnologia do Paraná (Tecpar) |
repository.mail.fl_str_mv |
babt@tecpar.br||babt@tecpar.br |
_version_ |
1750318273174437888 |